Anal plug



FIG. 1 is a perspective top view of an anal plug;

FIG. 2 is a bottom plan view of the anal plug of FIG. 1;

FIG. 3 is a top plan view of the anal plug of FIG. 1; and,

FIG. 4 is a side view of the anal plug of FIG. 1.

The broken lines show structure or boundaries that form no part of the claimed design. 

CLAIM The ornamental design for an anal plug, as shown and described. 